Answer:
You heard me before and then again. Afterward I die, until you call me again. What am I?
I have no wallet but I pay my way. I travel the world but in a corner I stay. What am I?
With a halo of water and a tongue of wood; stone as skin long I stood.
Why are there no living cats on Mars?
Tear me off and scratch my head, what once was red is black instead. What am I?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?